Onion brush



FIG. 1 is a top perspective view of the onion brush.

FIG. 2 is a top side view of the onion brush.

FIG. 3 is a bottom side view of the onion brush.

FIG. 4 is a front side view of the onion brush.

FIG. 5 is a left side view of the onion brush.

FIG. 6 is a right side view of the onion brush.

FIG. 7 is a back side view of the onion brush; and,

FIG. 8 is a close-up top perspective view of the onion brush.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an onion brush, as shown and described. 